Base | Representation |
---|---|
bin | 11110000101001… |
… | …100111010010001 |
3 | 1022011122101220212 |
4 | 132011030322101 |
5 | 2013144230311 |
6 | 122025013505 |
7 | 15335465333 |
oct | 3605147221 |
9 | 1264571825 |
10 | 504680081 |
11 | 239973684 |
12 | 121024295 |
13 | 80733389 |
14 | 4b053453 |
15 | 2e48ec8b |
hex | 1e14ce91 |
504680081 has 2 divisors, whose sum is σ = 504680082. Its totient is φ = 504680080.
The previous prime is 504680021. The next prime is 504680083. The reversal of 504680081 is 180086405.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 503598481 + 1081600 = 22441^2 + 1040^2 .
It is a cyclic number.
It is not a de Polignac number, because 504680081 - 210 = 504679057 is a prime.
It is a super-2 number, since 2×5046800812 = 509403968316333122, which contains 22 as substring.
Together with 504680083, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (504680083) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252340040 + 252340041.
It is an arithmetic number, because the mean of its divisors is an integer number (252340041).
Almost surely, 2504680081 is an apocalyptic number.
It is an amenable number.
504680081 is a deficient number, since it is larger than the sum of its proper divisors (1).
504680081 is an equidigital number, since it uses as much as digits as its factorization.
504680081 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 7680, while the sum is 32.
The square root of 504680081 is about 22465.0858222265. The cubic root of 504680081 is about 796.1692279485.
The spelling of 504680081 in words is "five hundred four million, six hundred eighty thousand, eighty-one".
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